Unreal Engine Issues

Force Feedback has incorrect duration on iOS devices

The user also describes not being able to tell the difference between a force feedback value of 0.3 and 1,0 on iPhones Note: This is likely an issue somewhere in FIOSInputInterface::SetForceFeedb ...

Volumes with infinite or missing faces when importing .fbx file

UDN Description: We are having issues with the "Create Blocking Volume" tool on StaticMeshActors. When we create a convex blocking volume (any convex, rough or heavy), we often have volumes that ha ...

Fail to copy files to IOS app with AdditionalBundleResources and UPL

When using AdditionalBundleResources in the Build.cs file to copy files, the files appear in the Resources directory of the generated Xcode project. However, these files are not found in the final i ...

[Pose Driver Connect] Animation imports that need "Force X Front" are not supported.

User's who have imported and set their skeleton to Force X Front, when importing animations from pose driver do not have an option or autodetect setup and the animations are imported normally. This ...

Collision Preset of a Static Mesh asset cannot be properly edited with the Property Matrix

Currently, the Property Matrix does not seem to support Details Customizations. As a result, when a Static Mesh asset is edited using the Property Matrix, the "Collision Presets" combo box does not ...

Crash in NaniteStreamManager when Nanite data fails to decode corrupt data from DDC

If Nanite data becomes corrupt in the DDC, the Editor may crash in FStreamingManager::InstallReadyPages() when the Pending.State is FPendingPage::EState::DDC_Ready but the resulting SrcPtr is null b ...

Default subobject of dynamic component skips initial replication

Because the component's subobjects are replicated before the component, the content block for the subobject is received before the component has been created on the client. Since this subobject is c ...

Swapping the Child Actor Class of a ChildActorComponent back to a previously selected BP leads to an Editor crash from illegal Renaming

A fatal error occurs if we change a Child Actor Class from one BP (ex. "BP_A") to a different BP ( ex. "BP_B") and later change it back to the first BP (ex. "BP_A") without compiling the BP between ...

Partially loaded level instance becomes fully loaded after editing nested level instance

Affect Indirect Lighting While Hidden can affect the environment after data layer unload in editor

After setting Affects Indirect Lighting While Hidden but before saving the level, the emissive contribution persistents through datalayer visibility toggles. This does not appear to occur in PIE, on ...